On Jun 21, 2017, at 9:13 PM, Uma Krishnan [off-list ref] =

wrote:

=20
Currently there are separate spin locks for the two supported I/O =

queueing

models. This makes it difficult to serialize with paths outside the =

enqueue

path.
=20
As a design simplification and to support serialization with enqueue
operations, move to only a single lock that is used for enqueueing
regardless of the queueing model.
=20
Signed-off-by: Uma Krishnan <redacted>

Acked-by: Matthew R. Ochs <redacted>